Louis C.K.'s surprise show at New York City's Comedy Cellar Sunday night got mixed reviews from the audience.

The controversial comedian, 51, dropped by for another unannounced set just after midnight, according to The Hollywood Reporter and Gothamist, weeks after making his stand-up return at the same comedy club in late August.

Page Six first reported C.K.'s impromptu performance didn't sit well with some patrons, adding at least two people walked out after his reveal.

Twitter user @AlliBreen expressed some disdain: "Louis CK did another surprise drop-in set last night in NYC. Guess he hasn't been watching the Kavanaugh hearings during his 'time out.'"

Louis CK did another surprise drop-in set last night in NYC. Guess he hasn't been watching the Kavanaugh hearings during his "time out"

User @mrjriggs, who was in the audience, pointed out accusations against C.K.: "Just saw a middle aged man with red hair who enjoys pleasuring himself at the comedy cellar."

Despite some backlash, audio from the beginning of C.K.'s set obtained by THR revealed any animosity was drowned out by cheers and applause.

USA TODAY has reached out to the Comedy Cellar and representatives for C.K.

His comeback was met with controversy from many who questioned whether C.K. should be allowed back less than a year after being accused of sexual misconduct during the start of the #MeToo movement. Comedy Cellar also faced backlash for ambushing guests with the disgraced comedian.

In response, the comedy club implemented a new "Swim at Your Own Risk" policy, which allows patrons to leave during an unannounced appearance without paying their check, reports the THR.

Last November, five women accused the comic of masturbating (or making an attempt to) in front of them without consent, according to The New York Times. The accusations dated back more than a decade.

One day later, C.K. admitted the women's allegations against him were "true."

"The power I had over these women is that they admired me. And I wielded that power irresponsibly," he wrote in a statement, adding, "there is nothing about this that I forgive myself for. And I have to reconcile it with who I am."

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The Nov. 9 premiere of Louis C.K.'s new movie, 'I Love You, Daddy,' was canceled suddenly, just hours before 'The New York Times' published a story in which five women accused him of varying degrees of sexual misconduct. Toronto International Film Festival

Louis C.K., whose professional name is the phonetic pronunciation of his real surname, Székely, first began performing standup comedy in Boston in the mid-1980s. He moved to New York before the end of that decade to pursue comedy full-time. Bryan Bedder, Getty Images

Louis C.K., seen promoting his 2013 HBO standup special 'Oh My God,' caught the attention of late-night producers. By the mid-1990s, he had written for 'Saturday Night Live,' David Letterman, Dana Carvey, Chris Rock and Conan O'Brien. Kevin Mazur, HBO

'Louie' won rave reviews for the 2014 episode 'So Did the Fat Lady,' in which a comedy club waitress (Sarah Baker, left) served Louis C.K.'s character a wake-up call about his "fat white-guy privilege." FX

In 2016, two other Louis C.K. TV creations debuted on FX Networks: 'Baskets,' a dramedy about a clown played by Zach Galifianakis (left), and 'Better Things,' starring his longtime collaborator Pamela Adlon as a single mom and actress. Frederick M. Brown, Getty Images

2016 also saw the debut of Louis C.K.'s web series 'Horace and Pete,' about a pair of Brooklyn bar owners. The show, co-starring Steve Buscemi, Edie Falco and Alan Alda, won a Peabody Award in 2017. Brad Barket, Getty Images for Peabody